April 2024
Rotation in the Universe
... curves for a typical spiral galaxy, which is the source of one of the puzzles that require resolution. Galactic rotation Angular momentum is a conserved quantity in physics, so all circulatory motion really needs an explanation So let’s apply this...
January 2022
Revealing the magnetic universe
...the Whirlpool Galaxy (M51) from NASA’s Hubble Space Telescope. Galactic magnetic structure The Voyager missions have given us a unique ... small-scale magnetic dynamos. When combined with galactic rotation and shear forces, these dynamos would help ...
